Guru Nanak (1469-1539) is the founder of the Sikh religion, which has over 25 million followers worldwide. As a young man, he embarked on an inspired mission that took him from the sacred Himalayas to the holy city of Mecca, always preaching a message of one God, and of peace and equality for all. Award-winning author, Demi, recounts the remarkable life of Guru Nanak, who today is revered by Hindus and Muslims alike.